| Sainte-Marguerite-sur-Mer | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason Sainte-Marguerite-sur-Mer.svg |
| Arrondissement: | Dieppe |
| Canton: | Dieppe-1 |
| Insee: | 76605 |
| Postal Code: | 76119 |
| Mayor: | Véronique Depreux[1] |
| Term: | 2023 - 2026 |
| Intercommunality: | CA Région Dieppoise |
| Coordinates: | 49.9081°N 0.9481°W |
| Elevation M: | 35 |
| Elevation Min M: | 0 |
| Elevation Max M: | 87 |
| Area Km2: | 5.41 |
Sainte-Marguerite-sur-Mer (pronounced as /fr/, literally Sainte-Marguerite on Sea) is a commune in the Seine-Maritime department in the Normandy region in northern France.
A farming and coastal village situated in the Pays de Caux, some 6miles west of Dieppe at the junction of the D75 and the D323 roads. Huge chalk cliffs rise up from a pebble beach overlooking the English Channel, to form the northern border of the commune.